331370545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 505128960

約数和(自身を除く): 173758415

約数列:

[1, 5, 11, 17, 19, 23, 55, 85, 95, 115, 187, 209, 253, 323, 391, 437, 811, 935, 1045, 1265, 1615, 1955, 2185, 3553, 4055, 4301, 4807, 7429, 8921, 13787, 15409, 17765, 18653, 21505, 24035, 37145, 44605, 68935, 77045, 81719, 93265, 151657, 169499, 205183, 261953, 317101, 354407, 408595, 758285, 847495, 1025915, 1309765, 1585505, 1772035, 2881483, 3488111, 3898477, 6024919, 14407415, 17440555, 19492385, 30124595, 66274109, 331370545]

約数ペア:

[(1, 331370545), (5, 66274109), (11, 30124595), (17, 19492385), (19, 17440555), (23, 14407415), (55, 6024919), (85, 3898477), (95, 3488111), (115, 2881483), (187, 1772035), (209, 1585505), (253, 1309765), (323, 1025915), (391, 847495), (437, 758285), (811, 408595), (935, 354407), (1045, 317101), (1265, 261953), (1615, 205183), (1955, 169499), (2185, 151657), (3553, 93265), (4055, 81719), (4301, 77045), (4807, 68935), (7429, 44605), (8921, 37145), (13787, 24035), (15409, 21505), (17765, 18653)]